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Victoria · Postcode 3099
Cottles Bridge postcode and suburb data
Victoria · Phone area code 03 · 31 km from Melbourne
Suburb snapshot
Cottles Bridge at a glance vs VIC
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against VIC
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Cottles Bridge ranks: household income is in the top 25% of VIC suburbs; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Cottles Bridge vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Cottles Bridge | VIC avg | AU avg | Greater Melbourne |
|---|---|---|---|---|
| Household income/wk | $2,170 +VIC | $1,817 | $1,836 | $1,943 |
| Rent/wk | $260 -VIC | $375 | $390 | $404 |
| Mortgage/month | $2,524 +VIC | $1,933 | $1,958 | $2,100 |
| Median age | 52 | 46.0 | 45.0 | 39.0 |
| SEIFA decile | 10/10 +VIC | 6.0/10 | 6.0/10 | 9.0/10 |
| Unemployment | 4.2% -VIC | 5.0% | 5.0% | 5.0% |
Green pill = at least 10% above the VIC average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Cottles Bridge is a locality 31 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3099. It falls within the Melbourne - North East region. The local government area is Nillumbik.
According to the 2021 Census, Cottles Bridge has a population of 609 with a median age of 52. The median weekly household income is $2,170, above the VIC average. The unemployment rate is 4.2%, lower than the VIC average. The Indigenous population is 8 (1.3% of residents).
Housing in Cottles Bridge includes a median weekly rent of $260, median monthly mortgage repayment of $2,524, with 213 total dwellings. These housing costs sit above the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 89.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cottles Bridge scores in decile 10 out of 10, which is well above the national average.
Cottles Bridge is served by Learning Co-Operative School.
Cottles Bridge is part of the Nillumbik - Kinglake statistical area in Victoria.
Cottles Bridge details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3099 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 609 |
| Median Age | 52 years |
| Median Household Income (Census 2021) | $2,170/week |
| Median Personal Income (Census 2021) | $835/week |
| Median Weekly Rent (Census 2021) | $260 |
| Median Monthly Mortgage (Census 2021) | $2,524 |
| Average Household Size | 2.7 persons |
| Area | 18.5 km² |
| Population Density | 33/km² |
| Total Dwellings | 213 |
| Australian Citizens | 95.7% |
| Indigenous Population | 8 (1.3%) |
| Unemployment Rate | 4.2% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -37.622 |
| Longitude | 145.219 |
| Distance from Melbourne | 31 km |
| Region (SA4) | Melbourne - North East |
| Area (SA3) | Nillumbik - Kinglake |
| Local Government | Nillumbik |
| Federal Electorate | Mcewen |
| State Electorate | Eildon (Northern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 93 (15.3%) |
| 15–24 years | 79 (13.0%) |
| 25–44 years | 93 (15.3%) |
| 45–64 years | 203 (33.3%) |
| 65+ years | 157 (25.8%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 70 (11.5%) |
| Asthma | 51 (8.4%) |
| Cancer | 32 (5.3%) |
| Heart Disease | 26 (4.3%) |
| Diabetes | 19 (3.1%) |
| Lung Condition | 12 (2.0%) |
| Dementia | 3 (0.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 4 (1.9%) |
| 1 vehicle | 30 (14.1%) |
| 2 vehicles | 77 (36.2%) |
| 3+ vehicles | 102 (47.9%) |
Schools in Cottles Bridge
ACARA 2025 school profiles for schools located in Cottles Bridge. ICSEA is shown where ACARA publishes it.
Suburbs Near Cottles Bridge
Same Postcode (3099)
More Cottles Bridge Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.